systematic reviews (SR). One widely used tool is the AMSTAR. A recent update-AMSTAR 2-
is a 16 item evaluation tool that enables a detailed assessment of SR that include
randomised (RCT) or non-randomised studies (NRS) of healthcare interventions. Methods A
cross-sectional study of SR on pharmacological or psychological interventions in major
depression in adults was conducted. SR published during 2012–2017 were sampled from …